java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label31_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:00:45,743 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:00:45,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:00:45,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:00:45,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:00:45,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:00:45,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:00:45,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:00:45,763 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:00:45,764 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:00:45,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:00:45,765 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:00:45,766 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:00:45,767 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:00:45,768 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:00:45,769 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:00:45,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:00:45,772 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:00:45,774 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:00:45,775 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:00:45,776 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:00:45,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:00:45,780 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 00:00:45,788 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:00:45,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:00:45,806 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:00:45,807 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:00:45,807 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:00:45,808 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:00:45,808 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:00:45,808 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:00:45,808 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:00:45,808 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:00:45,809 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:00:45,809 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:00:45,809 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:00:45,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:00:45,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:00:45,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:00:45,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:00:45,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:00:45,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:00:45,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:00:45,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:00:45,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:00:45,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:00:45,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:00:45,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:00:45,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:00:45,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:00:45,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:00:45,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:00:45,813 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:00:45,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:00:45,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:00:45,813 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:00:45,814 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:00:45,814 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:00:45,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:00:45,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:00:45,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:00:45,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:00:45,893 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:00:45,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label31_false-unreach-call.c [2018-11-07 00:00:45,966 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621fd8beb/71c1fafe53054a37a24be5077020d2c4/FLAGf65bd1eec [2018-11-07 00:00:46,580 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:00:46,581 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label31_false-unreach-call.c [2018-11-07 00:00:46,601 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621fd8beb/71c1fafe53054a37a24be5077020d2c4/FLAGf65bd1eec [2018-11-07 00:00:46,622 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621fd8beb/71c1fafe53054a37a24be5077020d2c4 [2018-11-07 00:00:46,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:00:46,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:00:46,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:00:46,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:00:46,644 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:00:46,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:46" (1/1) ... [2018-11-07 00:00:46,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0bb127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:46, skipping insertion in model container [2018-11-07 00:00:46,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:46" (1/1) ... [2018-11-07 00:00:46,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:00:46,728 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:00:47,364 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:00:47,369 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:00:47,576 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:00:47,597 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:00:47,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47 WrapperNode [2018-11-07 00:00:47,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:00:47,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:00:47,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:00:47,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:00:47,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:00:47,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:00:47,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:00:47,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:00:47,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... [2018-11-07 00:00:47,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:00:47,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:00:47,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:00:47,934 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:00:47,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:00:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:00:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:00:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:00:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:00:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:00:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:00:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:00:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:00:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:00:53,056 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:00:53,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:53 BoogieIcfgContainer [2018-11-07 00:00:53,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:00:53,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:00:53,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:00:53,064 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:00:53,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:00:46" (1/3) ... [2018-11-07 00:00:53,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e205a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:53, skipping insertion in model container [2018-11-07 00:00:53,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:47" (2/3) ... [2018-11-07 00:00:53,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e205a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:53, skipping insertion in model container [2018-11-07 00:00:53,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:53" (3/3) ... [2018-11-07 00:00:53,071 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label31_false-unreach-call.c [2018-11-07 00:00:53,080 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:00:53,090 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:00:53,110 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:00:53,153 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:00:53,153 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:00:53,153 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:00:53,153 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:00:53,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:00:53,154 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:00:53,154 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:00:53,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:00:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 00:00:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-07 00:00:53,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:00:53,194 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:00:53,196 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:00:53,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:00:53,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1380418692, now seen corresponding path program 1 times [2018-11-07 00:00:53,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:00:53,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:00:53,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:00:53,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:00:53,253 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:00:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:00:53,586 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:00:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:00:53,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:00:53,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:00:53,628 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:00:53,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:00:53,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:00:53,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:00:53,654 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-07 00:00:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:00:56,042 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-11-07 00:00:56,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:00:56,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-07 00:00:56,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:00:56,063 INFO L225 Difference]: With dead ends: 782 [2018-11-07 00:00:56,063 INFO L226 Difference]: Without dead ends: 487 [2018-11-07 00:00:56,073 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:00:56,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-07 00:00:56,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-11-07 00:00:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-07 00:00:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-11-07 00:00:56,163 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 14 [2018-11-07 00:00:56,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:00:56,163 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-11-07 00:00:56,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:00:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-11-07 00:00:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-07 00:00:56,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:00:56,170 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:00:56,170 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:00:56,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:00:56,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1196080591, now seen corresponding path program 1 times [2018-11-07 00:00:56,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:00:56,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:00:56,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:00:56,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:00:56,173 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:00:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:00:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:00:56,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:00:56,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-07 00:00:56,890 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:00:56,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 00:00:56,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 00:00:56,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 00:00:56,894 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-11-07 00:01:02,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:01:02,704 INFO L93 Difference]: Finished difference Result 1755 states and 3230 transitions. [2018-11-07 00:01:02,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 00:01:02,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-07 00:01:02,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:01:02,733 INFO L225 Difference]: With dead ends: 1755 [2018-11-07 00:01:02,734 INFO L226 Difference]: Without dead ends: 1279 [2018-11-07 00:01:02,741 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-07 00:01:02,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2018-11-07 00:01:02,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1033. [2018-11-07 00:01:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-11-07 00:01:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1679 transitions. [2018-11-07 00:01:02,864 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1679 transitions. Word has length 89 [2018-11-07 00:01:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:01:02,865 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1679 transitions. [2018-11-07 00:01:02,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 00:01:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1679 transitions. [2018-11-07 00:01:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-07 00:01:02,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:01:02,875 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:01:02,875 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:01:02,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:01:02,876 INFO L82 PathProgramCache]: Analyzing trace with hash -669093568, now seen corresponding path program 1 times [2018-11-07 00:01:02,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:01:02,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:01:02,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:01:02,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:01:02,879 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:01:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:01:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 14 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 00:01:03,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:01:03,171 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:01:03,172 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-07 00:01:03,174 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [13], [15], [18], [26], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 00:01:03,242 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:01:03,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:01:05,000 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:01:05,290 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:01:05,293 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-11-07 00:01:05,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:01:05,334 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:01:07,578 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 72.96% of their original sizes. [2018-11-07 00:01:07,578 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:01:07,975 INFO L415 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-11-07 00:01:07,976 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:01:07,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:01:07,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 00:01:07,977 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:01:07,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 00:01:07,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 00:01:07,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 00:01:07,978 INFO L87 Difference]: Start difference. First operand 1033 states and 1679 transitions. Second operand 7 states. [2018-11-07 00:01:42,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:01:42,953 INFO L93 Difference]: Finished difference Result 2252 states and 3562 transitions. [2018-11-07 00:01:42,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:01:42,953 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2018-11-07 00:01:42,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:01:42,962 INFO L225 Difference]: With dead ends: 2252 [2018-11-07 00:01:42,963 INFO L226 Difference]: Without dead ends: 1225 [2018-11-07 00:01:42,967 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:01:42,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2018-11-07 00:01:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1223. [2018-11-07 00:01:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2018-11-07 00:01:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1877 transitions. [2018-11-07 00:01:43,011 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1877 transitions. Word has length 162 [2018-11-07 00:01:43,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:01:43,012 INFO L480 AbstractCegarLoop]: Abstraction has 1223 states and 1877 transitions. [2018-11-07 00:01:43,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 00:01:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1877 transitions. [2018-11-07 00:01:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-07 00:01:43,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:01:43,017 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:01:43,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:01:43,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:01:43,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1475705382, now seen corresponding path program 1 times [2018-11-07 00:01:43,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:01:43,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:01:43,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:01:43,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:01:43,020 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:01:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:01:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:01:43,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:01:43,621 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:01:43,621 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-11-07 00:01:43,622 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [13], [15], [18], [26], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 00:01:43,631 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:01:43,632 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:01:49,227 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:01:59,646 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:01:59,647 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 00:01:59,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:01:59,660 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:02:02,618 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 73.52% of their original sizes. [2018-11-07 00:02:02,619 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:02:36,429 INFO L415 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2018-11-07 00:02:36,430 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:02:36,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:02:36,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [10] total 24 [2018-11-07 00:02:36,430 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:02:36,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-07 00:02:36,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-07 00:02:36,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-11-07 00:02:36,432 INFO L87 Difference]: Start difference. First operand 1223 states and 1877 transitions. Second operand 16 states. Received shutdown request... [2018-11-07 00:04:50,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 00:04:50,667 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:04:50,672 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:04:50,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:04:50 BoogieIcfgContainer [2018-11-07 00:04:50,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:04:50,674 INFO L168 Benchmark]: Toolchain (without parser) took 244039.30 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -421.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-07 00:04:50,675 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 00:04:50,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-11-07 00:04:50,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -866.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2018-11-07 00:04:50,677 INFO L168 Benchmark]: Boogie Preprocessor took 153.13 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 00:04:50,678 INFO L168 Benchmark]: RCFGBuilder took 5123.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 183.8 MB). Peak memory consumption was 183.8 MB. Max. memory is 7.1 GB. [2018-11-07 00:04:50,679 INFO L168 Benchmark]: TraceAbstraction took 237614.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 208.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-07 00:04:50,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 960.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 180.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -866.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.13 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5123.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 183.8 MB). Peak memory consumption was 183.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237614.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 208.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 27). Cancelled while BasicCegarLoop was constructing difference of abstraction (1223states) and FLOYD_HOARE automaton (currently 17 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (908 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 237.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 177.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 697 SDtfs, 3084 SDslu, 668 SDs, 0 SdLazy, 4696 SolverSat, 816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 392 GetRequests, 324 SyntacticMatches, 30 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 38.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1223occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 18.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9944921502298555 AbsIntWeakeningRatio, 0.15300546448087432 AbsIntAvgWeakeningVarsNumRemoved, 629.8688524590164 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 253 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 558869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 44/183 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown